SOLUTION: a diver jumps from a diving board that is 24 feet above the water. the height of the diver ia given by h= -16(t-1.5)(t+1) where the height h is measured in feet and the time t i

Algebra ->  Systems-of-equations -> SOLUTION: a diver jumps from a diving board that is 24 feet above the water. the height of the diver ia given by h= -16(t-1.5)(t+1) where the height h is measured in feet and the time t i      Log On


   

Question 727876: a diver jumps from a diving board that is 24 feet above the water. the height of the diver ia given by
h= -16(t-1.5)(t+1)
where the height h is measured in feet and the time t is measured in seconds. when will the diver hit the water?
Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
The height of the diver above the water (in feet) is
h=+-16%28t-1.5%29%28t%2B1%29 with t measured in seconds after the diver leaves the board.
The diver hits the water at the time when h=0
The equation h=+-16%28t-1.5%29%28t%2B1%29 tells you that h=0 when t-1.5=0 and when t%2B1=0
t-1.5=0 --> highlight%28t=1.5%29 means that the diver hits the water highlight%281.5%29 seconds after leaving the board.

NOTE:
t%2B1=0 --> t=-1 does not make sense, because it means 1 second before jumping.
However, an alien seeing a video showing the diver from the time the diver leaves the board may conclude that the diver was shot out of the water 1 second before the start of the video.